Waves and Oscillation MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 20, 2025

1. : Over-damping (gradual reduction of excessive oscillation) is due to
(A) Arrhythmic return to equilibrium
(B) Faster return to equilibrium
(C) Equilibrium is never achieved
(D) Slower return to equilibrium

2. : The natural frequency of a guitar string can be changed by changing its
(A) Stiffness
(B) Area
(C) Diameter
(D) Length

3. : In Simple Harmonic Motion (S.H.M), the velocity at the equilibrium position is
(A) Minimum
(B) Constant
(C) Zero
(D) Maximum

4. : Maximum displacement from the equilibrium position is
(A) Frequency
(B) Amplitude
(C) Wavelength
(D) Period

5. : Which one of the following cannot receive ultrasonic waves?
(A) Dolphin
(B) Human being
(C) Mouse
(D) Rat

6. : A spring of force constant K is cut into two pieces such that one piece is double the length of the other. Then, the longer piece will have a force constant of
(A) 3/2 K
(B) 3 K
(C) 9 K
(D) 6 K

7. : A displacement-time graph depicting oscillatory motion is
(A) Cosine curve
(B) Sine curve
(C) Tangent curve
(D) Straight line

8. : Maximum displacement (action of moving something) from the equilibrium position is
(A) Frequency
(B) Wavelength
(C) Period
(D) Amplitude

9. : If the time period of an oscillation is 0.40 s, what will be its frequency?
(A) 2 Hz
(B) 5 Hz
(C) 3 Hz
(D) 5 Hz

10. : In cars, springs are damped by
(A) Shock absorbers
(B) Engine
(C) Tyres
(D) Brake pedals

11. : Our eyes can detect oscillations up to
(A) 5 Hz
(B) 9 Hz
(C) 6 Hz
(D) 8 Hz

12. : A force that acts to return mass to its equilibrium position is called
(A) Frictional force
(B) Restoring force
(C) Normal force
(D) Contact force